Multispectral emission device for vehicles for emitting visible light, LiDAR and radar radiation, and method and use thereof

A multispectral emission device set up for emitting electromagnetic radiation for detecting at least reflected radar radiation, having:

• a headlight with a light-transparent headlight cover and a light source arranged behind the headlight cover for emitting visible light as headlight light;
• a radar module with a radar antenna unit arranged behind the headlight cover and integrated in the headlight, wherein the multispectral emission device has at least one radiation-manipulating device,
• wherein the multispectral emission device further comprises at least one transmitting unit for LiDAR radiation and one receiving unit for LiDAR radiation and at least two radiation manipulators, wherein one of the radiation manipulators is a LIDAR radiation manipulating device and at least one radiation manipulator is a radar radiation manipulating device,
• wherein the LiDAR radiation manipulating device and the transmitting unit for LIDAR radiation are arranged such that the LIDAR radiation manipulating device redirects LIDAR radiation emitted by the transmitting unit for LiDAR radiation and the LIDAR radiation manipulating device is arranged such that LIDAR radiation emitted by the transmitting unit for LIDAR radiation is redirected to the receiving unit for LiDAR radiation,
• wherein LIDAR radiation passing from outside through the headlight cover is guided to the receiving unit for LIDAR radiation and the radar radiation manipulating device is arranged such that radar radiation passing from the outside through the headlight cover is guided to a receiving unit for radar radiation,
• wherein the transmitting unit for LIDAR radiation, the LIDAR radiation manipulating device, the radar module, and the radar radiation manipulating device are arranged such that at least one radiation cone of redirected LIDAR radiation and at least one radiation cone of redirected radar radiation are aligned, and
• wherein the at least one radiation cone of the redirected LiDAR radiation and the at least one radiation cone of the redirected radar radiation can additionally overlap.

A multispectral emission device set up for emitting electromagnetic radiation for detecting at least reflected radar radiation, having;

• headlight with a light-transparent headlight cover and a light source arranged behind the headlight cover for emitting visible light as headlight light;
• a radar module with a radar antenna unit arranged behind the headlight cover and integrated in the headlight, wherein the multispectral emission device has at least one radiation-manipulating device,
• wherein the multispectral emission device further comprises at least one transmitting unit for LiDAR radiation and one receiving unit for LiDAR radiation and at least two radiation manipulators, wherein one of the radiation manipulators is a LIDAR radiation manipulating device and at least one radiation manipulator is a radar radiation manipulating device,
• wherein the LIDAR radiation manipulating device and the transmitting unit for LIDAR radiation are arranged such that the LiDAR radiation manipulating device redirects LIDAR radiation emitted by the transmitting unit for LIDAR radiation and the LIDAR radiation manipulating device is arranged such that LIDAR radiation emitted by the transmitting unit for LIDAR radiation is redirected to the receiving unit for LiDAR radiation,
• wherein LIDAR radiation passing from outside through the headlight cover is guided to the receiving unit for LIDAR radiation and the radar radiation manipulating device is arranged such that radar radiation passing from the outside through the headlight cover is guided to a receiving unit for radar radiation,
• wherein the transmitting unit for LiDAR radiation, the LIDAR radiation manipulating device, the radar module, and the radar radiation manipulating device are arranged such that at least one radiation cone of redirected LIDAR radiation and at least one radiation come of redirected radar radiation are aligned, and
• wherein at least one of the radiation manipulators is rotatably mounted about at least one axis.

A multispectral emission device set up for emitting electromagnetic radiation for detecting at least reflected radar radiation, having:

• a headlight with a light-transparent headlight cover and a light source arranged behind the headlight cover for emitting visible light as headlight light;
• a radar module with a radar antenna unit arranged behind the headlight cover and integrated in the headlight, wherein the multispectral emission device has at least one radiation-manipulating device,
• wherein the multispectral emission device further comprises at least one transmitting unit for LiDAR radiation and one receiving unit for LiDAR radiation and at least two radiation manipulators, wherein one of the radiation manipulators is a LIDAR radiation manipulating device and at least one radiation manipulator is a radar radiation manipulating device,
• wherein the LIDAR radiation manipulating device and the transmitting unit for LiDAR radiation are arranged such that the LiDAR radiation manipulating device redirects LiDAR radiation emitted by the transmitting unit for LiDAR radiation and the LIDAR radiation manipulating device is arranged such that LIDAR radiation emitted by the transmitting unit for LiDAR radiation is redirected to the receiving unit for LiDAR radiation,
• wherein LIDAR radiation passing from outside through the headlight cover is guided to the receiving unit for LIDAR radiation and the radar radiation manipulating device is arranged such that radar radiation passing from the outside through the headlight cover is guided to a receiving unit for radar radiation,
• wherein the transmitting unit for LiDAR radiation, the LIDAR radiation manipulating device, the radar module, and the radar radiation manipulating device are arranged such that at least one radiation cone of redirected LIDAR radiation and at least one radiation cone of redirected radar radiation are aligned, and
• wherein the transmitting unit for LiDAR radiation is thermally insulated, so that a temperature-dependent wavelength drift of the LiDAR transmitting unit is avoided.